Turbulent flows in channels with injection. results of large eddy simulation and the two-equation turbulence model
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Turbulent flows in channels with intense distributed injection are modeled using the large eddy method and the two-equation k-ɛ turbulence model. The calculations are carried out for different velocities of injection from the channel walls. For a channel with one-sided injection the results of large eddy simulation are in good agreement with the measured data, whereas the calculations in accordance with the k-ɛ model give a less convex cross-sectional velocity profile and an appreciable error in determining the surface friction coefficient on the impermeable wall and also have certain other shortcomings. In the case of two-sided injection, the results of the calculations by the large eddy method and the k-ɛ model are in good agreement with one another and the data of physical experiments.
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- Turbulent flows in channels with injection. results of large eddy simulation and the two-equation turbulence model
Volume 43, Issue 4 , pp 573-582
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- large eddy simulation
- channels with injection